矩阵分析法优化臭氧膜接触传质技术

doi:10.16085/j.issn.1000-6613.2023-1864

化工进展 ›› 2024, Vol. 43 ›› Issue (11): 6553-6562.DOI: 10.16085/j.issn.1000-6613.2023-1864

• 资源与环境化工 • 上一篇

矩阵分析法优化臭氧膜接触传质技术

姚福春¹^,²(), 毕莹莹¹(), 刘超¹^,², 唐晨², 李泽莹¹, 张耀宗²(), 孙晓明¹()

^1.中国环境科学研究院国家环境保护生态工业重点实验室，北京 100012
^2.华北理工大学建筑工程学院，河北唐山 063000

收稿日期:2023-10-23 修回日期:2023-11-10 出版日期:2024-11-15 发布日期:2024-12-07
通讯作者: 张耀宗,孙晓明
作者简介:姚福春（1996—），男，硕士研究生，研究方向为水污染控制与废水资源化。E-mail：386439071@qq.com
毕莹莹（1990—），女，硕士，工程师，研究方向为环境科学与资源利用。E-mail：biyyjob@163.com。
基金资助:
国家重点研发计划(2022YFC3901301);黄河流域生态保护和高质量发展联合研究一期项目(2022-YRUC-01-0404)

Matrix analysis method to optimize the ozone membrane contact mass transfer technology

YAO Fuchun¹^,²(), BI Yingying¹(), LIU Chao¹^,², TANG Chen², LI Zeying¹, ZHANG Yaozong²(), SUN Xiaoming¹()

^1.Protection Key Laboratory of Ecological Industry Chinese Research Academy of Environmental Sciences State Environmental, Beijing 100012, China
^2.School of Architecture and Civil Engineering, North China University of Science and Technology, Tangshan 063000, Hebei, China

Received:2023-10-23 Revised:2023-11-10 Online:2024-11-15 Published:2024-12-07
Contact: ZHANG Yaozong, SUN Xiaoming

摘要/Abstract

摘要：

将疏水性聚四氟乙烯（PTFE）中空纤维膜组装成膜接触式反应器，开发了膜接触式臭氧（O₃）无气泡传质技术。当搅拌速度达到1000r/min时，膜传质的传质情况（表观传质系数K_La=0.0807min^-1）与气泡传质（K_La=0.0791min^-1）相当。进行了单因素实验及L₁₆(4⁴)正交实验，研究了进气流量、O₃进气浓度、pH、苯酚浓度等对中空纤维膜接触式反应器O₃传质情况的影响；采用极差分析、方差分析、综合平衡分析及权矩阵分析进行数据处理，优化膜接触式O₃无气泡传质技术的传质条件。结果表明，四种实验因素均对O₃无气泡传质效果产生了显著性的影响；优化后的传质条件为：进气流量100mL/min，O₃进气浓度100mg/L、初始pH为10、污染物浓度30mg/L。优化条件下三次重复实验O₃传质通量均保持在170mg/(m²·min)以上，O₃吸收率均达到了80%以上。

关键词: 臭氧, 膜接触式反应器, 无气泡传质, 正交实验, 综合平衡分析, 权矩阵分析

Abstract:

A membrane contact ozone (O₃) bubble-free mass transfer technology was developed by assembling hydrophobic polytetrafluoroethylene (PTFE) hollow fiber membrane into membrane contactor. When the stirring speed reached 1000r/min, the mass transfer of membrane mass transfer (apparent mass transfer coefficient K_La=0.0807min^-1) was equivalent to that of bubble mass transfer (K_La=0.0791min^-1). The single factor experiment and L₁₆(4⁴) orthogonal experiment were carried out to study the effects of inlet flow rate, inlet O₃ concentration, pH and phenol concentration on O₃ mass transfer in hollow fiber membrane contact reactor. Range analysis, variance analysis, comprehensive balance analysis and weight matrix analysis were used for data processing, and the optimal mass transfer conditions of membrane contact O₃ bubble-free mass transfer technology were determined. The results showed that the four experimental factors had a significant effect on the mass transfer effect of O₃ without bubbles. The optimized mass transfer conditions were as follows: inlet flow rate 100mL/min, inlet O₃ concentration 100mg/L, initial pH was 10 and pollutant concentration 30mg/L. Under the optimized conditions, the O₃ mass transfer flux was maintained above 170mg/(m²∙min), and the O₃ absorption rate reached more than 80%.

Key words: ozone, membrane contact reactor, no bubble mass transfer, orthogonal experiment, comprehensive balance analysis, weight matrix analysis

中图分类号:

X703

姚福春, 毕莹莹, 刘超, 唐晨, 李泽莹, 张耀宗, 孙晓明. 矩阵分析法优化臭氧膜接触传质技术[J]. 化工进展, 2024, 43(11): 6553-6562.

YAO Fuchun, BI Yingying, LIU Chao, TANG Chen, LI Zeying, ZHANG Yaozong, SUN Xiaoming. Matrix analysis method to optimize the ozone membrane contact mass transfer technology[J]. Chemical Industry and Engineering Progress, 2024, 43(11): 6553-6562.

图/表 17

参考文献 28

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参数	数值
膜
内径/mm	0.5
外径/mm	1.5
膜厚/mm	0.5
表面孔径分布/μm	2~10
接触角/（°）	117.85
起泡压力/MPa	0.025
膜接触反应器
膜丝数量/根	20
有效长度/mm	500
有效接触面积/mm²	47123.9

参数	数值
膜
内径/mm	0.5
外径/mm	1.5
膜厚/mm	0.5
表面孔径分布/μm	2~10
接触角/（°）	117.85
起泡压力/MPa	0.025
膜接触反应器
膜丝数量/根	20
有效长度/mm	500
有效接触面积/mm²	47123.9

搅拌速度/r·min^-1	膜传质		气泡传质
搅拌速度/r·min^-1	K_La/min^-1	R²	K_La/min^-1	R²
0	0.0024	0.9952	0.0533	0.9915
500	0.0287	0.9939	0.0677	0.9931
1000	0.0807	0.9903	0.0791	0.9939
1500	0.0806	0.9908	0.0808	0.9954

搅拌速度/r·min^-1	膜传质		气泡传质
搅拌速度/r·min^-1	K_La/min^-1	R²	K_La/min^-1	R²
0	0.0024	0.9952	0.0533	0.9915
500	0.0287	0.9939	0.0677	0.9931
1000	0.0807	0.9903	0.0791	0.9939
1500	0.0806	0.9908	0.0808	0.9954

编号	A	B	C	D	O₃传质通量（E）/mg∙m^-2∙min^-1	O₃吸收率（F）/%
1	1	1	1	1	33.40	39.35
2	1	2	2	2	59.82	46.98
3	1	3	3	3	91.57	53.94
4	1	4	4	4	124.61	58.72
5	2	1	2	3	67.80	53.25
6	2	2	1	4	94.73	49.60
7	2	3	4	1	71.49	28.08
8	2	4	3	2	105.23	33.06
9	3	1	3	4	85.69	50.48
10	3	2	4	3	113.45	44.55
11	3	3	1	2	100.29	29.54
12	3	4	2	1	107.84	25.41
13	4	1	4	2	78.62	37.05
14	4	2	3	1	60.85	19.12
15	4	3	2	4	133.00	31.34
16	4	4	1	3	120.43	22.70

矩阵分析法优化臭氧膜接触传质技术

Matrix analysis method to optimize the ozone membrane contact mass transfer technology

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参考文献 28

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参数	A	B	C	D
O₃传质通量
K₁	309.4	265.5	348.8	273.6
K₂	339.3	328.8	368.5	344.0
K₃	407.3	396.3	343.3	393.2
K₄	392.9	458.1	388.2	438.0
k₁	77.3	66.4	87.2	68.4
k₂	84.8	82.2	92.1	86.0
k₃	101.8	99.1	85.8	98.3
k₄	98.2	114.5	97.0	109.5
R₁	24.5	48.1	11.2	41.1
O₃吸收率
Z₁	1.9899	1.8013	1.4119	1.1195
Z₂	1.6399	1.6025	1.5698	1.4663
Z₃	1.4997	1.4289	1.5659	1.7444
Z₄	1.1020	1.3989	1.6840	1.9013
z₁	0.4975	0.4503	0.3530	0.2799
z₂	0.4100	0.4006	0.3925	0.3666
z₃	0.3749	0.3572	0.3915	0.4361
z₄	0.2755	0.3497	0.4210	0.4753
R₂	0.2220	0.1006	0.0680	0.1955

指标	实验因素	平方和	自由度	均方	F	显著性
臭氧传质通量	A	1572.042	3	524.014	4.751	0.116
	B	5206.517	3	1735.506	15.735	0.024
	C	311.908	3	103.969	0.943	0.519
	D	3724.449	3	1241.483	11.256	0.039
臭氧吸收率	A	0.101	3	0.034	16.799	0.022
	B	0.026	3	0.009	4.283	0.132
	C	0.009	3	0.003	1.554	0.363
	D	0.088	3	0.029	14.672	0.027

条件	进气流量/mL∙min^-1	O₃进气浓度/mg∙L^-1	初始pH	污染物浓度/mg∙L^-1
臭氧传质通量最优单因素	A₃	B₄	C₄	D₄
臭氧吸收率最优单因素	A₁	B₁	C₄	D₄
臭氧传质通量k值偏差率/%	24.07	42.01	0	0
臭氧吸收率z值偏差率/%	24.64	22.34	0	0
最优传质条件	A₁B₄C₄D₄

指标	实验 1	实验 2	实验 3	均值
O₃传质通量/mg∙m^-2∙min^-1	171.2	170.7	172.0	171.3
O₃吸收率/%	80.66	80.43	81.03	80.71

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序号	A/mL∙min^-1	B/mg∙L^-1	C	D/mg∙L^-1
1	100	40	4	0
2	150	60	6	10
3	200	80	8	20
4	250	100	10	30

序号	A/mL∙min^-1	B/mg∙L^-1	C	D/mg∙L^-1
1	100	40	4	0
2	150	60	6	10
3	200	80	8	20
4	250	100	10	30